noun plural but singular in construction Date: 1855 a branch of mechanics that deals primarily with energy and its transformations, the total energy relations and transformations of a physical, chemical, or biological system
ENERGETICS
Meaning of ENERGETICS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012